/*
 *  Copyright (c) 2009 Edwin Luis Choquehuanca Mamani
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <iostream>
#include <math.h>

template<class T> double getAverage(T *data,int length){
	double sum = 0.0;
	for(int b=0;b<length;b++){
		sum += data[b];
	}
	return sum/length;
}

template<class T> double getVariance(T *data,int length){
	double avg = getAverage(data,length);
	double sum = 0.0;
	for(int b=0;b<length;b++){
		sum += pow(data[b]-avg,2);
	}
	return sum/length;
}

template<class T> double getStdDeviation(T *data,int length){
	return sqrt(getVariance(data,length));
}
